Mask Interface - ResMed AirFit N30 Nasal Mask with No Headgear Size:Medium #64211 Always have a fully charged

Always have a fully charged spare battery with you

Each rechargeable battery provides up to 4 hours of off-the-grid power for your POC giving you the extra time to really enjoy your day

saves you time and effort each night

Enhanced comfort seat fits all shapes and sizes

Mask Interface - ResMed AirFit N30 Nasal Mask with No Headgear Size:Medium #64211 Always have a fully chargedThe Mask Interface ResMed AirFit N30 Nasal Mask with No Headgear is the original replacement for your mask. The product is designed to be replaced on a regular basis to provide the best performance of your mask. Cushions available in 3 different sizes: Small, Medium, and Large . This cushion is only compatible with the ResMed AirFit N30 Nasal Mask. Returns on warranty issues only.